CN217864527U

CN217864527U - Foldable electric scooter frame

Info

Publication number: CN217864527U
Application number: CN202221232728.3U
Authority: CN
Inventors: 张家钟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-11-22
Anticipated expiration: 2032-05-20

Abstract

The utility model relates to a folding electric vehicle frame, which comprises a vehicle beam, a head pipe, a seat pipe and a rear fork, wherein the head pipe is fixed at the front end of the vehicle beam, a controller mounting box matched with the shape of an included angle is arranged at the included angle between the seat pipe and the vehicle beam towards the lower side of the vehicle head direction, and a chain disc shaft mounting hole and a rear lower fork hinge hole are formed in the bottom of the controller mounting box; the mounting structure of the controller is arranged by utilizing the triangular space at the corner of the vehicle beam and the seat tube clamp, the controller and the chain disc shaft mounting hole are integrated in the mounting structure, the rear lower fork hinge hole can play a role in reinforcing the structural strength of the vehicle beam and the seat tube, and the chain disc shaft mounting hole and the rear lower fork hinge hole are not required to be additionally arranged, so that the vehicle frame structure is simpler and lighter.

Description

Foldable electric scooter frame

Technical Field

The utility model relates to an electric bicycle technical field, especially a folding electric bicycle frame.

Background

Green trips are advocated globally, and the electric bicycle can effectively avoid air pollution and becomes a short-distance travel tool for green trips, convenience and relaxation. As a tool for riding instead of walking, the electric bicycle meets different road conditions and compact placement space requirements. The chain disc shaft mounting pipe on the frame of the existing electric bicycle is usually directly fixed on the seat pipe, the controller box is additionally and independently arranged at the included angle of the seat pipe and the bicycle beam, and the seat pipe and the bicycle beam are respectively arranged, so that the structure is disordered to view, and certain problems can exist in structural strength; for example, the chinese patent CN209023050U discloses an "electric bicycle frame", in which a chain wheel shaft mounting pipe is welded on a seat pipe separately for mounting a chain wheel shaft center, a controller box is additionally provided and is only used for mounting a controller separately, and an articulated pipe of a rear lower fork is also an additionally provided and separate connection structure, so that the risk of breaking and falling exists, and the structural strength is not high enough.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims at providing a folding electric vehicle frame utilizes the mounting structure of the triangle space setting controller of car roof beam and seat pipe clamp angle department, integrated controller, chain dish axle mounting hole (be prior art chain dish axle installation pipe promptly) and back lower fork hinge hole (be prior art's back lower fork hinge pipe) in it, can play the effect of strengthening car roof beam and seat pipe structural strength, also makes the frame structure more succinct.

The embodiment of the utility model provides an in adopt following scheme to realize: the utility model provides a folding electric scooter frame, includes car roof beam, head pipe, seat pipe and back vent, the head pipe is fixed in the car roof beam front end, seat pipe and car roof beam towards the contained angle department of locomotive direction downside install with contained angle shape assorted controller mounting box, controller box triangle-shaped's metal construction can play the effect of supporting the car roof beam for the contained angle structure of seat pipe and car roof beam is more stable, has strengthened the structural strength of frame, chain dish axle mounting hole and back vent hinge hole have been seted up to the bottom of controller mounting box.

In one embodiment of the utility model, a handle is arranged at the position of the upper side of the vehicle beam close to the seat tube, which is convenient for carrying after folding; and a cup holder is arranged at the front part of the upper side of the vehicle beam and used for placing a kettle.

In an embodiment of the present invention, the front portion and the rear portion of the vehicle body frame are connected by a folder having a locking buckle.

The utility model relates to an in the embodiment, the back fork includes the back of U type and goes up the fork and back lower fork, the back go up the fork the front portion with seat union coupling, the back lower fork the front end with back lower fork hinge joint connects.

In an embodiment of the present invention, the rear lower fork is provided with a rear seat frame.

The utility model relates to an embodiment, the afterbody of rear seat frame is connected with the license plate installing frame for the fixed license plate of installation.

The utility model relates to an in the embodiment, the front end of back seat frame corresponds the locking and is in the middle part of back lower fork, the rear portion of back seat frame is passed through Y type support frame and is connected the tail end of back lower fork makes the back seat frame more firm, increases the bearing capacity.

In one embodiment of the present invention, two tail ends of the rear upper fork are respectively connected to a shock absorber, and the other end of the shock absorber is connected to the corresponding tail end of the rear lower fork; the shock absorber is one of damping spring, atmospheric pressure bumper shock absorber, hydraulic shock absorber, improves navigating mate's travelling comfort.

The utility model relates to an embodiment, the rear side of seat pipe is located be provided with the battery mounting box in the back vent for the battery of installation electric motor car.

The utility model relates to an embodiment, set up the walk line hole on the car roof beam, the circuit of controller can walk the interior connection handlebar of car roof beam, reduces and is drenched or the risk of soaking by the rainwater.

The utility model has the advantages that: the utility model provides a foldable electric scooter frame compares in prior art, the utility model discloses following technological effect has at least: the triangular space at the corner of the vehicle beam and the seat tube clamp is utilized to arrange the mounting structure of the controller, the chain disc shaft mounting hole and the rear lower fork hinge hole are integrated in the mounting structure, the triangular controller mounting box is used for filling the space at the corner of the lower part of the vehicle beam and the seat tube, a certain supporting effect is achieved to prevent the included angle between the vehicle beam and the seat tube from being deformed under pressure, and the effect of increasing the structural strength of the vehicle beam and the seat tube can be achieved; the chain wheel shaft mounting hole, the rear lower fork hinge hole and the controller mounting box are integrally formed, so that the structure is firmer, the situation that the other independent welding is broken is avoided, the space is saved, the frame is simpler and more attractive, the redundant structure is reduced, and the weight of the frame can be reduced; meanwhile, the comfort of a driver on a bumpy road can be improved by arranging the shock absorber; the folder with the anti-loosening lock catch can play a role in preventing the folder from loosening, and the safety during riding is improved; the wiring in the vehicle beam can play a role in protecting the circuit, and the problems of short circuit and the like of the circuit due to water immersion are prevented; through all integrating chain wheel axle mounting hole and back lower fork hinge hole on the mounting structure of controller, and both press close to each other for install the chain wheel axle of back lower fork tail end and the chain wheel axle in the chain wheel axle mounting hole make distance variation range between them diminish because of the cushioning effect, reduced the risk that the chain deviate from, improved the smooth and easy degree of rotation of chain.

Drawings

Fig. 1 is a schematic structural view of a folding electric vehicle frame.

Fig. 2 is a schematic structural view of the controller mounting box.

Fig. 3 is a schematic structural view of the under-seat stay.

Fig. 4 is a schematic structural view of the rear seat frame.

Fig. 5 is a schematic view showing the connection of the components of the rear fork.

Fig. 6 is a schematic structural view of a license plate mounting frame.

The reference numbers indicate:

1-vehicle beam, 2-head tube, 3-seat tube, 4-rear fork, 41-rear upper fork, 42-rear lower fork, 43-shock absorber, 5-controller installation box, 51-chain disc shaft installation hole, 52-rear lower fork hinge hole, 6-rear seat frame, 61-Y-shaped support frame, 62-license plate installation frame, 7-handle, 8-cup frame, 9-folder and 10-battery installation box.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 6, a frame of a foldable electric vehicle is provided, which includes a vehicle beam 1, a head pipe 2, a seat pipe 3 and a rear fork 4, wherein the head pipe 2 is fixed at the front end of the vehicle beam 1, a controller mounting box 5 matched with the included angle in shape is mounted at the included angle between the seat pipe 3 and the vehicle beam 1 towards the lower side of the vehicle head direction, a triangular metal structure of the controller mounting box can play a role of supporting the vehicle beam 1, so that the included angle between the seat pipe 3 and the vehicle beam 1 is more stable in structure, the overall structural strength of the frame is enhanced, and a chain disc shaft mounting hole 51 and a rear lower fork hinge hole 52 are formed at the bottom of the controller mounting box 5; the upper space of the controller mounting box 5 is used for mounting a controller of the electric vehicle; the rear fork 4 comprises a U-shaped rear upper fork 41 and a rear lower fork 42, the front part of the rear upper fork 41 is connected with the seat tube 3, and the front end of the rear lower fork 42 is connected with a hinge hole 52 of the rear lower fork 42; through all integrating the chain wheel axle mounting hole 51 and back lower fork 42 hinge hole 52 on the mounting structure controller mounting box 5 of controller, and both are pressed close to each other for install the chain wheel axle of back lower fork 42 tail end and the chain wheel axle in the chain wheel axle mounting hole 51 make distance variation range between them reduce because of the cushioning effect, and then reduced the probability that the chain deviates from, improved the smooth and easy degree of rotation of chain.

Referring to fig. 1, in an embodiment of the present invention, a handle 7 is disposed at a position on the upper side of the vehicle beam 1 near the seat tube 3, so as to facilitate carrying after folding.

Referring to fig. 1, in an embodiment of the present invention, a cup holder 8 is disposed at a front portion of an upper side of the vehicle beam 1 for holding a water bottle, and the cup holder 8 is locked to the vehicle beam 1 by a connecting bolt.

Referring to fig. 1, in an embodiment of the present invention, the front portion and the rear portion of the car beam 1 are connected by a folder 9 with a lock catch, so as to prevent the folder 9 from loosening during riding, and the folder is an existing device.

Referring to fig. 1 and 4, in an embodiment of the present invention, a rear seat frame 6 is installed on the rear lower fork 42 for supporting articles.

Referring to fig. 1 and 6, in an embodiment of the present invention, a license plate mounting frame 62 is connected to a rear portion of the rear seat frame 6 for mounting and fixing a license plate, and the license plate mounting frame 62 is directly welded to a lower surface of the rear portion of the rear seat frame 6.

Referring to fig. 1 and 4, in an embodiment of the present invention, the front end of the rear seat frame 6 is correspondingly locked in the middle of the rear lower fork 42, and the rear portion of the rear seat frame 6 is connected to the tail end of the rear lower fork 42 through a Y-shaped supporting frame, so that the rear seat frame 6 is firmer and the load-bearing capacity is increased.

Referring to fig. 1 and 5, in an embodiment of the present invention, two tail ends of the rear upper fork 41 are respectively connected to a shock absorber 43, and the other end of the shock absorber 43 is connected to a corresponding tail end of the rear lower fork 42; the shock absorber is one of damping spring, atmospheric pressure bumper shock absorber, hydraulic shock absorber, improves navigating mate's travelling comfort.

Referring to fig. 1, in an embodiment of the present invention, a battery mounting box 10 is disposed in the rear fork 4 at the rear side of the seat tube 3 for mounting a battery of the electric vehicle.

The utility model relates to an embodiment, set up on the car roof beam 1 and walk the line hole, the circuit of controller can be walked 1 in-connection handlebar in the car roof beam and relevant control button and instrument are gone up, reduce the risk of being drenched or soaking by the rainwater.

The utility model discloses the theory of operation below has:

the controller mounting box 5 is arranged in a triangular space at the included angle between the car beam 1 and the seat tube 3, the controller, the chain disc shaft mounting hole 51 and the rear lower fork 42 hinge hole 52 are integrated in the controller mounting box 5, the triangular controller mounting box 5 fills the space at the included angle between the car beam 1 and the seat tube 3, the supporting effect is achieved, the joint of the car beam 1 and the seat tube 3 is prevented from being deformed due to compression, and the effect of increasing the structural strength of the car beam 1 and the seat tube 3 can be achieved; the chain disc shaft mounting hole 51, the rear lower fork 42 hinge hole 52 and the controller mounting box 5 are integrally formed, so that the structure is firmer, the situation that the five-way pipe and the rear lower fork 42 hinge hole 52 are separately and independently welded, stress points are concentrated, the strength is not high enough, and the breakage is caused can be avoided in the traditional structure, in addition, the space is also saved, and the frame arrangement structure is simpler and more attractive; meanwhile, a shock absorber 43 is arranged between the rear lower fork 42 and the rear upper fork 41, so that the shock absorption effect is achieved, and the riding comfort of a driver on a bumpy road surface is improved; the folder 9 with the lock catch can prevent the folder 9 from loosening, and the safety during riding is improved; the wiring in the vehicle beam 1 can play a role in protecting the line, and the problems of short circuit and the like of the line due to water immersion are prevented; through all integrating chain disc axle mounting hole 51 and back lower fork 42 hinge hole 52 on the mounting structure of controller, and both are pressed close to each other for the chain wheel axle of installation in back lower fork 42 tail end and the chain wheel axle in chain disc axle mounting hole 51 make distance variation range between them diminish because of the cushioning effect, reduced the risk that the chain deviates from, improved chain drive's smooth and easy degree.

The points to be explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, "upper," "lower," "left," and "right," and the like are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed.

Secondly, the method comprises the following steps: the utility model discloses in the embodiment figure, only involve with the structure that this disclosed embodiment involves, other structures can refer to common design, under the conflict-free condition, the utility model discloses same embodiment and different embodiments can the intercombination.

Finally, it is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses technical scheme under the thinking all belongs to the utility model discloses a scope of protection.

It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a foldable electric scooter frame, includes car roof beam, head pipe, seat pipe and back vent, the head pipe is fixed in car roof beam front end, its characterized in that: and a controller mounting box matched with the included angle in shape is mounted at the included angle between the seat tube and the vehicle beam towards the lower side of the vehicle head direction, and a chain disc shaft mounting hole and a rear lower fork hinge hole are formed in the bottom of the controller mounting box.

2. A foldable electric vehicle frame as claimed in claim 1, characterised in that: a lifting handle is arranged at the position, close to the seat tube, of the upper side of the vehicle beam; and a cup holder is arranged at the front part of the upper side of the vehicle beam.

3. A foldable electric vehicle frame as claimed in claim 1, characterised in that: the front part and the rear part of the vehicle beam are connected through a folder with an anti-loosening lock catch.

4. A foldable electric vehicle frame as claimed in claim 1, characterised in that: the rear fork comprises a U-shaped rear upper fork and a U-shaped rear lower fork, the front part of the rear upper fork is connected with the seat tube, and the front end of the rear lower fork is connected with the hinge hole of the rear lower fork.

5. The foldable electric vehicle frame as recited in claim 4, wherein: and a rear seat frame is arranged on the rear lower fork.

6. A foldable electric vehicle frame as claimed in claim 5, characterised in that: the tail part of the rear seat frame is connected with a license plate mounting frame.

7. A foldable electric vehicle frame as claimed in claim 5, characterised in that: the front end of the rear seat frame extends to the middle part of the corresponding rear lower fork and is locked; and a Y-shaped supporting frame is arranged below the rear seat frame and connected with the tail end of the rear lower fork.

8. The foldable electric vehicle frame as recited in claim 4, wherein: two tail ends of the rear upper fork are respectively connected with a shock absorber, and the other end of the shock absorber is connected with the tail end corresponding to the rear lower fork.

9. A foldable electric vehicle frame as claimed in claim 1, characterised in that: the rear side of the seat tube is positioned in the rear fork and is internally provided with a battery mounting box.

10. A foldable electric vehicle frame as claimed in claim 1, characterised in that: the car beam is provided with a wiring hole.